1999-2004 Honda TRX400EX FourTrax Service Manual, Page 65Get this manual
FUEL SYSTEM
SPECIFICATIONS
Carburetor identification number Main jet Slow jet Jet needle clip position Pilot screw opening Float level Idle speed Throttle lever free Dlav SPECIFICATIONS QBlOA
3rd groove from top See page 5-13
18.5 mm (0.73in)
1,400 100 rpm
3mm (18 516in) -
Carburetor float level gauge Pilot screw wrench 07908-4220201
074010010000
TROUBLESHOOTING
Engine cranks but won't startNo fuel in tankNo fuel to carburetor -Clogged fuel stainer -Clogged fuel line -Clogged fuel tank breather tubeToo much fuel getting to the engine -Clogged air cleaner -Flooded carburetorIntake air leak Contaminatedldeteriorated fuelImproper choke operationImproper throttle operationNo spark at plug (faulty ignition system